Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2022

Fair Value Disclosures [Abstract]

Schedule of Fair Values of Financial Instruments and Nonfinancial Assets and Liabilities Measured at the Reporting Date

The fair values of these financial instruments are summarized as follows:

			Fair Value Measurements at Reporting Date Using
Description	At March 31, 2022		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Fuel hedge contracts	$	8,971	$	-	$	8,971	$	-

			Fair Value Measurements at Reporting Date Using
Description	At December 31, 2021		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Fuel hedge contracts	$	630	$	-	$	630	$	-

Schedule of Fair Value of Fuel Hedge Contracts Balance Sheet Location

The fair value of the fuel hedge contracts outstanding as of March 31, 2022 and December 31, 2021 is as follows:

		Fair Value at
		March 31,		December 31,
	Balance Sheet Location	2022		2021
Asset derivatives:
Derivatives designated as hedging instruments
Fuel hedge contracts	Prepaid expenses and other current assets	$	8,971	$	630

Changes in Components of Accumulated Other Comprehensive Income (Loss)

Changes in the components of the accumulated balances of other comprehensive income (loss) are as follows:

	Three Months Ended
	March 31,
	2022			2021
Derivatives:
Reclassification of derivative gains to earnings—net of tax		(2,481	)		(1,526	)
Change in fair value of derivatives—net of tax		8,716			3,412
Net change in cash flow derivative hedges—net of tax	$	6,235		$	1,886

Adjustments Reclassified from Accumulated Balances Other Comprehensive Income (Loss) to Earnings

Adjustments reclassified from accumulated balances of other comprehensive income (loss) to earnings are as follows:

		Three Months Ended
		March 31,
	Statement of Operations Location	2022			2021
Derivatives:
Fuel hedge contracts	Costs of contract revenues	$	(3,319	)	$	(2,041	)
	Income tax provision		(838	)		(515	)
		$	(2,481	)	$	(1,526	)